D2253: releasenotes: mention changeset with warning and abort

[pulkit (Pulkit Goyal)]

pulkit added inline comments.

INLINE COMMENTS

> av6 wrote in releasenotes.py:315
> or `ctx.hex()`

That's also okay. `str(ctx) = ctx.hex()[:12]`

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2253

To: rishabhmadan96, #hg-reviewers
Cc: av6, pulkit, mercurial-devel